Solar panel



FIG. 1 is a front elevational view of a solar panel showing our new design; and,

FIG. 2 is an enlarged detail view taken from FIG. 1.

The top, bottom, sides and rear of the solar panel are unornamented. The fourth row of the second column, the center element is shown in solid lines.

The broken lines shown represent unclaimed environmental subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a solar panel, as shown and described. 